This 3D modular prefab house design by dna architects called as CASA, Contemporary Assembled Sustainable Architecture. The interesting thing is a sustainable feature. Form the 3D image, we see that natural light free to enter to the house because it’s open ventilation. The ventilation is open but we still get privacy because there is gauze likely as cover.This house themes available in various themes with modular factory built high performance. Site construction period is less than six months using dry assembly techniques.